<?php

$jige = 75;
$css = 80;
$js = 100;
$wangye = 60;
$avg = ($css + $js + $wangye )/3;
$avg = round($avg,2);

?>
<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
    <p>abc</p>
    平均分的及格线=<?php echo $jige; ?></br>
    样式表=<?php echo $css ; ?><br/> 
    网页设计=<?php echo $wangye; ?><br/>
    Js=<?php echo $js; ?> <br/>
    你的平均分=<?php echo $avg; ?><br/>
    你的分数：<?php if($avg >= $jige) : ?>
    <span style="color:green">及格</span>
    <?php else :?>
    <span style="color:red">不及格</span>
    <?php endif;?>
</body>
</html>